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php Programming Glossary: arithmeticWhat is the difference between a language construct and a “built-in” function in PHP? http://stackoverflow.com/questions/1180184/what-is-the-difference-between-a-language-construct-and-a-built-in-function-in For example let's say you have a simple four function arithmetic language that only takes single digit integers as input and.. three rules you can build any number of single digit input arithmetic expressions. You can then write a parser for this syntax that..
Can I rely on PHP php.ini precision workaround for floating point issue http://stackoverflow.com/questions/14587290/can-i-rely-on-php-php-ini-precision-workaround-for-floating-point-issue share improve this question Introduction Floating point arithmetic is considered an esoteric subject by many people. This is rather..
MySQL datetime fields and daylight savings time — how do I reference the “extra” hour? http://stackoverflow.com/questions/1646171/mysql-datetime-fields-and-daylight-savings-time-how-do-i-reference-the-extra your values are of the system timezone others esp. time arithmetic functions are timezone agnostic they may behave as if the times..
Unexpected results when working with very big integers on interpreted languages http://stackoverflow.com/questions/18046347/unexpected-results-when-working-with-very-big-integers-on-interpreted-languages problem php node.js precision integer overflow integer arithmetic share improve this question Python works sum x for x in..
http://stackoverflow.com/questions/300840/force-php-integer-overflow PHP integer overflow We have some integer arithmetic which for historical reasons has to work the same on PHP as..
how to subtract two dates and times to get difference http://stackoverflow.com/questions/3371011/how-to-subtract-two-dates-and-times-to-get-difference
http://stackoverflow.com/questions/3726721/php-math-precision share improve this question Because floating point arithmetic real number arithmetic. An illustration of the difference due.. question Because floating point arithmetic real number arithmetic. An illustration of the difference due to imprecision is for..
The accuracy of PHP float calculate http://stackoverflow.com/questions/3957705/the-accuracy-of-php-float-calculate from binary. This is why you shouldn't use floating point arithmetic when you need high exact precision. In PHP check out BC Math..
Why doesn't this code simply print letters A to Z? http://stackoverflow.com/questions/4098345/why-doesnt-this-code-simply-print-letters-a-to-z the docs PHP follows Perl's convention when dealing with arithmetic operations on character variables and not C's. For example in..
http://stackoverflow.com/questions/428473/matrix-artihmetic-in-php to be fairly comprehensive going beyond simple matrix arithmetic to also include things like calculating the determinant or solving..
Doing exact real number arithmetic with PHP http://stackoverflow.com/questions/4502588/doing-exact-real-number-arithmetic-with-php exact real number arithmetic with PHP What is fastest and most easy way of making basic.. PHP What is fastest and most easy way of making basic arithmetic operations on strings representing real numbers in PHP I have..
PHP function to evaluate string like “2-1” as arithmetic 2-1=1 http://stackoverflow.com/questions/5057320/php-function-to-evaluate-string-like-2-1-as-arithmetic-2-1-1 function to evaluate string like &ldquo 2 1&rdquo as arithmetic 2 1 1 I was just wondering if PHP has a function what would.. what would take in the string like 2 1 and produce the arithmetic result of it Or will I have to do this manually with explode.. with explode to get the values left and right of the arithmetic operator Thank you for your answers. php math share improve..
PHP: Work out duration between two times http://stackoverflow.com/questions/534364/php-work-out-duration-between-two-times this will turn a MM SS value into a timestamp you can do arithmetic on function MinSecToSeconds minsec if preg_match ' ^ d d ' minsec..
Looking for actively maintained matrix math library for php http://stackoverflow.com/questions/573674/looking-for-actively-maintained-matrix-math-library-for-php in php http stackoverflow.com questions 435074 matrix arithmetic in php again I was in the process of installing the pear Math_Matrix..
Performing simple arithmetic in MySQL statement or in PHP code http://stackoverflow.com/questions/7070448/performing-simple-arithmetic-in-mysql-statement-or-in-php-code simple arithmetic in MySQL statement or in PHP code For instance say I have a..
Why would on earth PHP convert the result of (int) ((0.1+0.7)*10) to 7, not 8? http://stackoverflow.com/questions/11573378/why-would-on-earth-php-convert-the-result-of-int-0-10-710-to-7-not-8 Every Computer Scientist Should Know About Floating Point Arithmetic How dangerous is it to compare floating point values Why can't..
Can I rely on PHP php.ini precision workaround for floating point issue http://stackoverflow.com/questions/14587290/can-i-rely-on-php-php-ini-precision-workaround-for-floating-point-issue Every Computer Scientist Should Know About Floating Point Arithmetic Questions Question 1 1. Can I rely on this solution if I need..
PHP Type-Juggling and (strict) Greater/Lesser Than Comparisons http://stackoverflow.com/questions/15813490/php-type-juggling-and-strict-greater-lesser-than-comparisons It is mandated by the IEEE 754 Standard for Floating Point Arithmetic more info . PHP's operator is symmetric i.e. a b and b a are..
http://stackoverflow.com/questions/3726721/php-math-precision Every Computer Scientist Should Know About Floating Point Arithmetic . Back to your problem basically there is no way to accurately..
Reference - What does this symbol mean in PHP? http://stackoverflow.com/questions/3737139/reference-what-does-this-symbol-mean-in-php between operators AND and here PHP and or keywords Arithmetic Operators What does the percent sign mean in PHP What is the.. ~ Bitwise Operators What does this ~ operator mean here Arithmetic Operators Array Operators operator for array in PHP Assignment..
Arithmetic with Arbitrarily Large Integers in PHP http://stackoverflow.com/questions/37391/arithmetic-with-arbitrarily-large-integers-in-php with Arbitrarily Large Integers in PHP Ok so PHP isn't the..
int((0.1+0.7)*10) = 7 in several languages. How to prevent this? http://stackoverflow.com/questions/6439140/int0-10-710-7-in-several-languages-how-to-prevent-this
php game, formula to calculate a level based on exp http://stackoverflow.com/questions/6954874/php-game-formula-to-calculate-a-level-based-on-exp to gather 50 exp then 100 exp then 150exp etc. It's an Arithmetic Progression . For levelup X then you need 25 X 1 X exp. Added..
http://stackoverflow.com/questions/8235896/date-arithmetic-in-php Arithmetic in PHP Is there a PHP function I can use to do something like..
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